6783663923 has 2 divisors, whose sum is σ = 6783663924. Its totient is φ = 6783663922.

The previous prime is 6783663857. The next prime is 6783663947. The reversal of 6783663923 is 3293663876.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6783663923 is a prime.

It is not a weakly prime, because it can be changed into another prime (6783668923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3391831961 + 3391831962.

It is an arithmetic number, because the mean of its divisors is an integer number (3391831962).

Almost surely, 2^6783663923 is an apocalyptic number.

6783663923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6783663923 is an equidigital number, since it uses as much as digits as its factorization.

6783663923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 53.

The square root of 6783663923 is about 82363.0009348858. Note that the first 3 decimals coincide. The cubic root of 6783663923 is about 1893.0181356129.

The spelling of 6783663923 in words is "six billion, seven hundred eighty-three million, six hundred sixty-three thousand, nine hundred twenty-three".